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DL06 Micro PLC User Manual, 3rd Edition, Rev. E
iii
Table of Contents
Glossary of Specification Terms ..............................................................................2–48
Chapter 3: CPU Specifications and Operation
Overview 3–2
DL06 CPU Features ..................................................................................................3–2
CPU Specifications .....................................................................................................3–3
CPU Hardware Setup .................................................................................................3–4
Communication Port Pinout Diagrams .....................................................................3–4
Connecting the Programming Devices ..................................................................... 3–5
CPU Setup Information ............................................................................................3–5
Status Indicators .......................................................................................................3–6
Mode Switch Functions ............................................................................................ 3–6
Changing Modes in the DL06 PLC ...........................................................................3–7
Mode of Operation at Power-up ..............................................................................3–7
Using Battery Backup ................................................................................................3–8
Battery Backup .........................................................................................................3–8
Auxiliary Functions ...................................................................................................3–9
Clearing an Existing Program ...................................................................................3–9
Initializing System Memory ......................................................................................3–9
Setting Retentive Memory Ranges .......................................................................... 3–10
Using a Password ...................................................................................................3–11
CPU Operation .........................................................................................................3–12
CPU Operating System ...........................................................................................3–12
Program Mode ....................................................................................................... 3–13
Run Mode ..............................................................................................................3–13
Read Inputs ............................................................................................................3–14
Service Peripherals and Force I/O ...........................................................................3–14
CPU Bus Communication .......................................................................................3–15
Update Clock, Special Relays and Special Registers .................................................3–15
Solve Application Program .....................................................................................3–16
Solve PID Loop Equations .......................................................................................3–16
Write Outputs ........................................................................................................3–16
Write Outputs to Specialty I/O ...............................................................................3–16
Diagnostics .............................................................................................................3–17
I/O Response Time ..................................................................................................3–17
Is Timing Important for Your Application? ..............................................................3–17